:root{--admin-bg:#f5f7fa;--admin-surface:#fff;--admin-border:#e6e8eb;--admin-text:#1f1f1f;--admin-muted:#6b7280;--admin-accent:#1677ff;--admin-success:#52c41a;--admin-warning:#faad14;--admin-danger:#ff4d4f}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--admin-bg);color:var(--admin-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--admin-accent)}